Home / 3,600.22-5,399.48-1,378.59

Finding the Fourth Proportional to 3,600.22, 5,399.48 and 1,378.59

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Solution

The fourth proportional to 3,600.22, 5,399.48 and 1,378.59 is: 2,067.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.22 : 5,399.48 = 1,378.59 : x
  2. Step 2: Convert to fraction form
    3,600.22/5,399.48 = 1,378.59/x
  3. Step 3: Cross multiply
    3,600.22x = 5,399.48 × 1,378.59
  4. Step 4: Simplify right side
    3,600.22x = 7,443,669.13
  5. Step 5: Solve for x
    x = 7,443,669.13/3,600.22
  6. Step 6: Final answer
    x = 2,067.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.